AD713
R1
6.19kΩ
INPUT
OUTPUT
C2
C2
6800pF
R2
6800pF
6.19kΩ
R3
1300Ω
R4
1300Ω
5
6
12
13
1/4
AD713
1/4
AD713
R5
R6
7
14
1300Ω
1300Ω
2
1/4
9
1/4
R7
1300Ω
R8
1300Ω
1
8
AD713
AD713
1.11
2πRC
3
10
f
=
C3
6800pF
C4
6800pF
C
C
R
R
R
= C = C = C = C
2 3 4
R9
1300Ω
R10
1300Ω
1
R11
5.62kΩ
= R = 4.76Ω
1
2
AD713
PIN 4
+V
S
+
= 4.32Ω
11
0.1µF
0.1µF
1µF
1µF
COM
= R = R = R = R = R = R = R = R
3
4
5
6
7
8
9
10
+
AD713
PIN 11
–V
S
Figure 47. A 1/3 Octave Filter Circuit
95.3kΩ
1/4
AD713
1/4
2
3
AD713
412Ω
1.74kΩ
1.74kΩ
330Ω
1
12
13
A1
14
INPUT
4700pF
B4
1kΩ
OUTPUT
100kΩ
130Ω
4700pF
10kΩ
36Ω
120Ω
1kΩ
4700pF
4700pF
4700pF
10
9
3
10
9
1kΩ
1kΩ
1kΩ
1kΩ
8
1
8
A3
1/4
B1
1/4
B3
1/4
2
6
13
12
6
7
14
7
A2
A4
B2
1kΩ
1kΩ
AD713
AD713
AD713
5
5
1/4
AD713
1/4
AD713
1/4
AD713
1.2kΩ
1.87kΩ
1.1kΩ
AD713
PIN 4
+V
S
+
0.1µF
1µF
1µF
4700pF
4700pF
4700pF
COM
+
0.1µF
AD713
PIN 11
–V
S
Figure 48. An Antialiasing Filter
Rev. F | Page 16 of 20
ADI [ ADI ]
